Function gdi32::MaskBlt

pub unsafe extern "system" fn MaskBlt(
    hdcDest: HDC, 
    xDest: c_int, 
    yDest: c_int, 
    width: c_int, 
    height: c_int, 
    hdcSrc: HDC, 
    xSrc: c_int, 
    ySrc: c_int, 
    hbmMask: HBITMAP, 
    xMask: c_int, 
    yMask: c_int, 
    rop: DWORD
) -> BOOL